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Aurcana Reports 145 g/t Silver and 1.96% Copper over 23.5 meters


May 21, 2008

High Grade Copper - Silver Zone Continues to Expand at La Negra

Aurcana Corporation (TSX-V.AUN) ("Aurcana" or the "Company") is pleased to report the results of two additional underground diamond drill holes from the Cristo Rey area. These drill holes along with previously announced drill holes ( News release, April 11, 2008) continue to confirm and expand the presence of high grade copper - silver mineralization related to the Cristo Rey dyke in the Alacran - Cristo Rey area. 

Drill Results in Alacran - Cristo Rey area 

Drill Hole Interval (m) Silver g/t Lead % Zinc % Copper %

 

         
LYA - 08 9.45 158 0.35 0.97 2.30
   

 

     
LYA - 10 23.50* 145 0.39 1.64 1.96

*Estimated true thickness is 15.5 meters

This drilling is part of an extensive infill program in the Alacran - Cristo Rey area that will bring the Historical Resources, shown in the table below, up to 43-101 standards. 

Historical Resources (non 43-101 compliant)
 

Deposit

Tonnes

Silver g/t

Lead %

Zinc %

Copper %

 

 

 

 

 

 

All Zones

2,145,600

152

0.93

3.03

1.09

 

 

 

 

 

 

(Incl.) Alacran --Cristo Rey

1,245,200

154

0.75

2.77

1.54



The drilling completed to date has provided the guidance necessary for the placement of an access ramp down to the 1950 level. This is now underway and once complete a more comprehensive underground channel and drill sampling program will be undertaken in this area in preparation for upgrading another part of the historical resources into a 43-101 compliant resource category. A drill station is also being planned in order to follow the Cristo Rey zone along strike to the northwest of drill hole LYA - 10. Future drilling will aggressively step out to follow Cristo Rey down below the 1900 level where an historic drill hole reported a core length of 7.8 meters with 323 g/t silver, 0.51 % lead, 2.37 % zinc, and 5.79 % copper. 

About Aurcana Corporation:
Aurcana Corporation is a Canadian mining company listed on the TSX Venture Exchange, symbol AUN. The acquisition of 100% of the Shafter silver mine, in Presidio County, Texas, has transformed Aurcana into an emerging primary silver producer. Shafter is planned for start up in 2009 with silver production of 3.2 million ounces. Additionally, the 80% owned La Negra silver-lead-zinc-copper mine in Queretaro State, Mexico, operates at 1,000 tonnes per day and the 100% owned Rosario silver-lead-zinc-gold mine in Sinaloa State, Mexico, is also advancing towards production at a planned rate of 800 tonnes per day. The reader should be cautioned the Company has not completed feasibility studies confirming the projected production capacity for La Negra, Shafter or Rosario and there is no certainty the Company's plans will be economically viable. 

Aurcana, together with its proven construction and operating team, is 100% committed to restoring and restarting the historical Shafter silver mine at the earliest opportunity. Additionally, aggressive exploration programs are being carried out at the La Negra Mine and the Rosario Mine in order to increase historical reserves and resources. With success, this could lead to further increases in silver production. Aurcana, while committed to advancing its current projects, continues to seek and evaluate additional high quality, producing or near producing silver projects

Ron Nichols, P.Eng. a Director and Vice President of Exploration for Aurcana, and a Qualified Person as defined by National Instrument 43-101, supervised the preparation of the technical information in this release.

ON BEHALF OF THE BOARD OF DIRECTORS OF
AURCANA CORPORATION


"Ken Booth", President 

For further information, please visit the website at: www.aurcana.com

Or contact:

Ken Booth, President or
Jack Barnes, Investor Relations
Aurcana Corporation
Phone: (604) 331-9333
Toll Free: (866) 532-9333
Fax: (604) 633-9179
Email: jbarnes@aurcana.com

Caution Regarding Forward-Looking Statements - This news release contains certain forward-looking statements, including statements regarding the business and anticipated financial performance of the Company. These statements are subject to a number of risks and uncertainties. Actual results may differ materially from results contemplated by the forward-looking statements. Factors that could cause actual results to differ materially from those in the forward-looking statements include unsuccessful exploration results, changes in metal prices, changes in the availability of funding for mineral exploration and development, unanticipated changes in key management personnel and general economic conditions. When relying on forward-looking statements to make decisions, investors and others should carefully consider the foregoing factors and other uncertainties and should not place undue reliance on such forward-looking statements. The Company does not undertake to update any forward-looking statements, oral or written, made by itself or on its behalf.

The TSX Venture Exchange has not reviewed and does not accept responsibility for the adequacy and accuracy of this Release.

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